Manoj Kumar

..A naphthalimide appended rhodamine based fluorescent chemosensor '1' is synthesized which undergoes through bond energy transfer in the presence of Hg(2+) ions in mixed aqueous media...

..Further, a negative allosteric behaviour between Hg(2+)/Li(+) ions is observed. Thus, metal ion exchange triggers a Hg(2+)/Li(+) switchable fluorescent chemosensor...

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..Moreover, the sequence addition of Fe(3+) and Li(+) triggers an Fe(3+)/Li(+) switchable on-off-on fluorescence chemosensor with negative allosteric regulations...

..In addition, paper strips prepared by dip-coating a solution of aggregates of derivatives 3 and 4 can provide a simple, portable, sensitive, selective, low-cost method for the detection of TNT on the picogram level...

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..A charge transfer assisted fluorescent probe is synthesized which undergoes a change in fluorescence emission at two different wavelengths in the presence of hydrogen peroxide...

..This emission shift is attributed to the intramolecular charge transfer process in the presence of Ag(+) ions with a detection limit in the nanomolar range...

..A highly selective fluorescent chemodosimeter based on rhodamine is synthesized which undergoes Cu(2+) driven hydrolysis in aqueous media to produce fluorescence turn-on changes with a detection limit up to the nanomolar range...

..The molecular switching between three chemical inputs (Ag(+), Fe(3+), cysteine) results in various molecular logic gates which have been integrated sequentially to generate a sequential information processing device...

..The chemosensor 5 undergoes fluorescence enhancement in the presence of Ni(2+) ions...

..The chemosensor demonstrates selective optical recognition of Hg(2+) ions in mixed aqueous media and mimics the operation of a traffic signal based on the R-S Latch Logic circuit with pH, Hg(2+) and Cl(-)/Br(-)/I(-) as chemical inputs...

..The compound 3 has suitable permeability into the PC3 cells and can be utilized as a Fe(3+) selective sensor in living cells (PC3 cells)...

..This red shift in the absorption spectra is accounted by anion complexation induced sigma-extended conjugation...

..The chemical inputs of Cu(2+) and F(-) in a sequential manner generate an output which mimics the functions of a security keypad lock...

..Further, as practical application of compound 1, we utilized the TLC strips coated with THF solution of 1 for the solid state detection of copper and cyanide ions...

..Derivative 3a also behaves as a molecular keypad lock with sequential chemical inputs of Zn(2+) and F(-) ions...

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..Interestingly, the addition of H(2)PO(4)(-) ions to the [5-Zn] complex regulates the binding site for additional Zn(2+) ions and hence leads to a blue-shifted emission band...

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..Further, the application of derivative 3 as a multichannel molecular keypad could be realized in the presence of inputs of Zn(2+) ions, H(2)PO(4)(-) ions, and AMP...

..The zinc complex of a new triphenylene based receptor is evaluated for its anti-oxidant activity which is better in comparison to that of commercially available anti-oxidants...

..Multiple output logic circuits based upon the fluorescence behavior between BSA and cytochrome c and between Pb(2+) and Pd(2+) ions are constructed...

..The ensemble is utilized for CH(3)COO(-) recognition in a blood plasma like system...

..The prepared receptors showed the highly selective and sensitive "Off-On" fluorescence signaling behavior for Hg(2+) ions in THF and mixed aqueous media (THF:H(2)O, 9.5:0.5)...

..Further, the combination of catalytic quantities of palladium nanoparticles with NaBH(4) smoothly reduces 4-nitrophenol to 4-aminophenol in aqueous medium...

..Further, strong emission of derivative 3 in its nonaggregated form makes it a promising fluorescence sensory material for nitroaromatic compounds...

..Terphenyl 3 also serves as a new chemodosimeter for fluoride ions...

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..This study reports a randomized trial that compared the clinical outcomes of 3-port laparoscopic cholecystectomy versus conventional 4-port laparoscopic cholecystectomy...

..Derivative 5 displays quite high through bond energy transfer efficiency in the presence of Hg(2+) ions in methanol whereas derivative 7 exhibits better FRET efficiency in the presence of Hg(2+) ions in THF and CH(3)CN than derivative 5...

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..9974 correlation coefficient in the comparison against volumetric method)...

..Further, derivative 6 coated test strip can detect traces of Fe(3+) and F(-) ions and provide a simple, portable and low cost method for detection of Fe(3+) and F(-) ions in aqueous solution...

..87 ppb...

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..Further, the zinc ensemble of 3a is evaluated for its anti-oxidizing property which is better than commercially available antioxidants...

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..Further it was observed that the formation of 4·Fe(3+) complex triggers the decomplexation of K(+) ion. Similar allosteric behaviour between Hg(2+) and K(+) was observed in chemosensor 5...

..A new pentaquinone-based chemosensor armed with phenolic moieties has been synthesized. The fluorescence behaviour of the chemosensor in the presence of different chemical inputs mimics the functions of a digital encoder...

..21 ppq (parts per quadrillion)...

..All the synthesized compounds were also tested for their inhibitory action against two strains of fungus...

..These functionalized higher quinone derivatives are freely soluble in THF and DMSO and can be used as precursors for the synthesis of higher acene derivatives...

..Thus, leukotriene D(4) may be involved in the development of opioid dependence and the precipitation of its withdrawal syndrome and thus may serve as a viable pharmacological target to tackle the problem of opioid addiction...